4-[4-[(3-氯-2-羟基-5-硝基苯基)偶氮]-4,5-二氢-3-甲基-5-氧代-1H-吡唑-1-基]-苯磺酸单钠盐CAS 10132-99-7

Benzenesulfonic acid, 4-[4-[(3-chloro-2-hydroxy-5-nitrophenyl)azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyr;4-[4-[(3-Chloro-2-hydroxy-5-nitrophenyl)azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid, sodium salt;4-[4-[(3-chloro-2-hydroxy-5-nitrophenyl)azo]-4,5-dihydro-benzenesulfonic aci